Guy Gardener wrote:
They filmed all of Lyndsay and David's stuff in the first year, so they're a nonissue.
Well, I was only pointing them out specifically as two of the least important supporting cast members. Off the top of my head, we've seen of the recurring variety:
And the guy who plays Ranjit.
And I'm sure I'm forgetting some. These all appeared in at least two episodes, most in many more. And none of these were "stunt-casting" (like Britney Spears was).